(3x-1)(12x+1)-10=(6x+2)^2

Question

(3x-1)(12x+1)-10=(6x+2)^2

Answer 1

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Answer 2

36x^2+3x-12x-1-10=36x^2+4
36x^2-9x-11=36x^2+4
36x^2-9×-36x^2=4+11
-9x=15
x=15/-9
x=5/-3